{"product_id":"autolite-platinum-spark-plug-ap3924","title":"Autolite Platinum Spark Plug – AP3924","description":"\u003cp data-start=\"118\" data-end=\"484\"\u003e\u003cstrong data-start=\"118\" data-end=\"134\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"134\" data-end=\"137\"\u003eThe Autolite AP3924 Platinum Spark Plug is engineered to provide reliable ignition performance, smooth engine starts, and improved overall engine efficiency. Its platinum center electrode firing tip helps resist gap erosion, allowing the spark plug to maintain a consistent spark and longer service life compared to traditional copper spark plugs.\u003c\/p\u003e\n\u003cp data-start=\"486\" data-end=\"879\"\u003eA copper core center electrode enhances heat transfer to maintain optimal operating temperatures and help reduce fouling. The high alumina ceramic insulator provides excellent electrical insulation and heat dissipation, ensuring stable combustion performance. The multi-rib insulator helps prevent flash-over, while the nickel-plated shell resists corrosion to support long-lasting durability.\u003c\/p\u003e\n\u003cp data-start=\"881\" data-end=\"1090\"\u003eAutolite platinum spark plugs are designed to deliver dependable ignition performance for a wide range of gasoline engines, making them a reliable replacement option for maintaining efficient engine operation.\u003c\/p\u003e\n\u003cp data-start=\"1092\" data-end=\"1105\"\u003e\u003cstrong data-start=\"1092\" data-end=\"1105\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1107\" data-end=\"1509\"\u003e\n\u003cli data-section-id=\"7ns50m\" data-start=\"1107\" data-end=\"1197\"\u003e\n\u003cp data-start=\"1109\" data-end=\"1197\"\u003ePlatinum center electrode firing tip helps prevent gap erosion for longer service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"1198\" data-end=\"1276\"\u003e\n\u003cp data-start=\"1200\" data-end=\"1276\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"70dq23\" data-start=\"1277\" data-end=\"1355\"\u003e\n\u003cp data-start=\"1279\" data-end=\"1355\"\u003eMulti-rib ceramic insulator helps prevent flash-over for reliable ignition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ruatd1\" data-start=\"1356\" data-end=\"1435\"\u003e\n\u003cp data-start=\"1358\" data-end=\"1435\"\u003eHigh alumina ceramic insulator enhances durability and thermal conductivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l00fff\" data-start=\"1436\" data-end=\"1509\"\u003e\n\u003cp data-start=\"1438\" data-end=\"1509\"\u003eNickel-plated shell helps resist corrosion and extend spark plug life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1511\" data-end=\"1538\"\u003e\u003cstrong data-start=\"1511\" data-end=\"1538\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1540\" data-end=\"2259\"\u003e\n\u003cli data-section-id=\"ewdxej\" data-start=\"1540\" data-end=\"1563\"\u003e\n\u003cp data-start=\"1542\" data-end=\"1563\"\u003ePart number: AP3924\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1564\" data-end=\"1583\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1583\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vnl5fm\" data-start=\"1584\" data-end=\"1621\"\u003e\n\u003cp data-start=\"1586\" data-end=\"1621\"\u003eProduct type: Platinum spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1622\" data-end=\"1664\"\u003e\n\u003cp data-start=\"1624\" data-end=\"1664\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ldp2q6\" data-start=\"1665\" data-end=\"1708\"\u003e\n\u003cp data-start=\"1667\" data-end=\"1708\"\u003eCenter electrode tip material: Platinum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1709\" data-end=\"1751\"\u003e\n\u003cp data-start=\"1711\" data-end=\"1751\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1752\" data-end=\"1793\"\u003e\n\u003cp data-start=\"1754\" data-end=\"1793\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ibjk3h\" data-start=\"1794\" data-end=\"1826\"\u003e\n\u003cp data-start=\"1796\" data-end=\"1826\"\u003eGround configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1827\" data-end=\"1859\"\u003e\n\u003cp data-start=\"1829\" data-end=\"1859\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r5af6m\" data-start=\"1860\" data-end=\"1886\"\u003e\n\u003cp data-start=\"1862\" data-end=\"1886\"\u003eThread diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163h8t2\" data-start=\"1887\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1889\" data-end=\"1906\"\u003eSeat type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gbvvjz\" data-start=\"1907\" data-end=\"1931\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1931\"\u003eWasher included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"palr3o\" data-start=\"1932\" data-end=\"1950\"\u003e\n\u003cp data-start=\"1934\" data-end=\"1950\"\u003eReach: 0.75 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5tphr9\" data-start=\"1951\" data-end=\"1970\"\u003e\n\u003cp data-start=\"1953\" data-end=\"1970\"\u003eHex size: 16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1971\" data-end=\"1993\"\u003e\n\u003cp data-start=\"1973\" data-end=\"1993\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gwnm18\" data-start=\"1994\" data-end=\"2019\"\u003e\n\u003cp data-start=\"1996\" data-end=\"2019\"\u003eResistance: 4000 ohms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17c2gol\" data-start=\"2020\" data-end=\"2047\"\u003e\n\u003cp data-start=\"2022\" data-end=\"2047\"\u003ePre-gap size: 1.1176 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5ouz\" data-start=\"2048\" data-end=\"2078\"\u003e\n\u003cp data-start=\"2050\" data-end=\"2078\"\u003eManufacturer heat range: 9\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"2079\" data-end=\"2110\"\u003e\n\u003cp data-start=\"2081\" data-end=\"2110\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"2111\" data-end=\"2148\"\u003e\n\u003cp data-start=\"2113\" data-end=\"2148\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11yt6xq\" data-start=\"2149\" data-end=\"2196\"\u003e\n\u003cp data-start=\"2151\" data-end=\"2196\"\u003eCenter electrode projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"2197\" data-end=\"2244\"\u003e\n\u003cp data-start=\"2199\" data-end=\"2244\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2245\" data-end=\"2259\"\u003e\n\u003cp data-start=\"2247\" data-end=\"2259\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46279599718599,"sku":"ELE1910","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10165800_d13a3f9c-5ba7-482f-a9e6-0a059051fb67.png?v=1773255477","url":"https:\/\/mainstreeteshop.com\/products\/autolite-platinum-spark-plug-ap3924","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}